Given the Initial Rate Data for the Reaction a A)

question 21

Multiple Choice

Given the initial rate data for the reaction A + B ? C, determine the rate expression for the reaction. $$\begin{array} { l l l } { [ \mathrm { A } ] , \mathrm { M } } & { [ \mathrm { B } ] , \mathrm { M } } & \Delta [ \mathrm { C } ] / \Delta t ( \text { initial) } \mathrm { M } / \mathrm { s } \\\hline 0.0418 & 0.122 & 2.73 \times 10 ^ { - 4 } \\0.0836 & 0.122 & 10.9 \times 10 ^ { - 4 } \\0.0418 & 0.488 & 2.73 \times 10 ^ { - 4 }\end{array}$$

• A) \(\frac { \Delta [ \mathrm { C } ] } { \Delta t } = 5.35 \times 10 ^ { - 2 } \mathrm { M } ^ { - 2 } \mathrm {~s} ^ { - 1 } [ \mathrm {~A} ] [ \mathrm { B } ]\)
• B) \(\frac { \Delta [ \mathrm { C } ] } { \Delta t } = 1.27 \mathrm { M } ^ { - 2 } \mathrm {~s} ^ { - 1 } [ \mathrm {~A} ] ^ { 2 } [ \mathrm {~B} ]\)
• C) \(\frac { \Delta [ \mathrm { C } ] } { \Delta t } = 0.156 \mathrm { M } ^ { - 1 } \mathrm {~s} ^ { - 1 } [ \mathrm {~A} ] ^ { 2 }\)
• D) \(\frac { \Delta [ \mathrm { C } ] } { \Delta t } = 0.439 \mathrm { M } ^ { - 2 } \mathrm {~s} ^ { - 1 } [ \mathrm {~A} ] [ \mathrm { B } ] ^ { 2 }\)
• E) \(\frac { \Delta [ \mathrm { C } ] } { \Delta t } = 6.53 \times 10 ^ { - 3 } \mathrm {~s} ^ { - 1 } [ \mathrm {~A} ]\)

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